Evaluation of Pavement Performance due to Overload Single-Trip Permit Truck Traffic in Wisconsin

Table 3

Summary of pavement distress survey results.

Pavement surface distress		STH 140	STH 11	STH 23	STH 26
Fatigue cracking (% area)		12.7	7.6	4.1	10.2
Longitudinal + transverse cracking length (m)	High severity	52.7	10.7	3	47.5
	Med. severity	120.7	102.1	33.5	124.4
	Low severity	25	31.1	43.6	28.3
Max rutting (mm)	Outer wheel paths	25	21	10	32
	Inner wheel paths	8	22	13	14
Average rutting (mm)	Outer wheel paths	13	16	7	20
	Inner wheel paths	1.5	17	11	11
PCI index & rating	Direction 1	13 (serious)	40 (very poor)	63 (fair)	14 (serious)
	Direction 2	17 (serious)	52 (poor)	66 (fair)	15 (serious)